80240680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 213645600

約数和(自身を除く): 133404920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 290, 313, 340, 377, 442, 493, 520, 580, 626, 680, 754, 884, 986, 1105, 1160, 1252, 1508, 1565, 1768, 1885, 1972, 2210, 2465, 2504, 3016, 3130, 3770, 3944, 4069, 4420, 4930, 5321, 6260, 6409, 7540, 8138, 8840, 9077, 9860, 10642, 12520, 12818, 15080, 16276, 18154, 19720, 20345, 21284, 25636, 26605, 32045, 32552, 36308, 40690, 42568, 45385, 51272, 53210, 64090, 69173, 72616, 81380, 90770, 106420, 118001, 128180, 138346, 154309, 162760, 181540, 212840, 236002, 256360, 276692, 308618, 345865, 363080, 472004, 553384, 590005, 617236, 691730, 771545, 944008, 1180010, 1234472, 1383460, 1543090, 2006017, 2360020, 2766920, 3086180, 4012034, 4720040, 6172360, 8024068, 10030085, 16048136, 20060170, 40120340, 80240680]

約数ペア:

[(1, 80240680), (2, 40120340), (4, 20060170), (5, 16048136), (8, 10030085), (10, 8024068), (13, 6172360), (17, 4720040), (20, 4012034), (26, 3086180), (29, 2766920), (34, 2360020), (40, 2006017), (52, 1543090), (58, 1383460), (65, 1234472), (68, 1180010), (85, 944008), (104, 771545), (116, 691730), (130, 617236), (136, 590005), (145, 553384), (170, 472004), (221, 363080), (232, 345865), (260, 308618), (290, 276692), (313, 256360), (340, 236002), (377, 212840), (442, 181540), (493, 162760), (520, 154309), (580, 138346), (626, 128180), (680, 118001), (754, 106420), (884, 90770), (986, 81380), (1105, 72616), (1160, 69173), (1252, 64090), (1508, 53210), (1565, 51272), (1768, 45385), (1885, 42568), (1972, 40690), (2210, 36308), (2465, 32552), (2504, 32045), (3016, 26605), (3130, 25636), (3770, 21284), (3944, 20345), (4069, 19720), (4420, 18154), (4930, 16276), (5321, 15080), (6260, 12818), (6409, 12520), (7540, 10642), (8138, 9860), (8840, 9077)]